General Information:
Chemical Formula:
[ ]Mn2Mg5Si8O22(OH)2
Composition:
(Molecular Weight = 842.09 gm)
Magnesium 14.43 % Mg
Manganese 13.05 % Mn
Silicon 26.68 % Si
Hydrogen 0.24 % H
Oxygen 45.60 % O
Empirical Formula:
Mn2+2Mg5(Si8O22)(OH)2
IMA Status:
Approved IMA 1997
Physical Properties:
Hardness:
5-6 - Between Apatite and Orthoclase
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